This week’s North American Nintendo Downloads are as follows: 3DS Retail The Legend of Zelda: Majora’s Mask 3D (available Friday) Monster Hunter 4 Ultimate (available Friday) Ace Combat: Assault Horizon Legacy+ 3DS Download 3D Fantasy Zone Pong Pong Candy Wii U Download Blek Paparazzi (available Feb. 17) Wii U Virtual Console Breath of Fire eShop Sales Knytt Underground is 50...